Installation manual

Simrad SH80

Symbol ﬁeld

The Symbol buttons provide on-screen graphic references for

targets, own ship and ﬁshing gear.

SYMBOL

(CD015022C)

(A) Target marker

To mark a target, move the cursor over it and press the button. A

triangular symbol with a corresponding number will a ppear on

the screen over the target. Position data for the deﬁned markers

are displayed in the

Objects menu.

Note that the system continues to track the markers even when

outside the sonar range.

The

Target marker button can also be used for manual target

tracking as the system is designed to calculate the speed, course

and distance between the last two chosen targets.

The target marker data is displayed in white ﬁgures for three

minutes in the lower right hand corner of the horizontal

presentation. This function is also an effective method for

determining the distance between two selected points on the

screen.

(B) Own ship symbol

The “own ship” button produces a square symbol on the screen at

the vessel’s current location when the button is pressed. The own

ship marker’s position data is displayed in the

Objects menu.

This marker may be used to estimate the size of a school of ﬁsh

or as an indication of the size of the purse seine. To activate the

function, move the cursor to the desired position and press the

button. A circular symbol will appear on the screen at the chosen

location. The size of t he symbol is equal to that of the purse

seine selected.

(D) Gear symbol

The gear symbol may be either a purse seine circle or a trawl

symbol depending on the parameter chosen by the

Gear button

in the

Setup menu. The selected gear symbol will be displayed

in yellow.

Seine circle

This is a useful aid in planning the shooting of the purse seine. It

is used as follows:

1 Press the

Gear button.

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